<!DOCTYPE html>
<html><head>
<meta charset="UTF-8">

<script type="text/javascript">

(function(){
  var window = this, undefined, su = window.su = {};
  
  su.merong = function() {
    
    var z_data = {};
    
    return new su.merong();
  }
  
  su.merong.prototype = {
      alert : function() {
        alert( "Merong" );
      }
  }
  
})();

su.merong.alert();

</script>

</head><body>

</body></html>